4x8ft Mold-Resistant Fire-Rated Gypsum Board 12mm Drywall Panel for Fireproof Partition

Product Introduction Of Gypsum Plaster Board

The 4x8ft Mold-Resistant Fire-Rated Gypsum Board is a 12mm-thick drywall panel engineered for high-moisture environments and fire safety applications. Constructed with a fiberglass-reinforced gypsum core and specialized mold-inhibiting additives, this panel meets ASTM E119 fire-resistance standards (1-hour rating) and ASTM C1396 mold-resistant requirements. The water-resistant paper facing and tapered edges ensure seamless installation in bathroom walls, saunas, or fire-rated partition systems.  
 

Key Features Of Gypsum Plaster Board

• Core Composition: 92% gypsum + 6% cellulose fibers + 2% silicone-based water repellent  
• Fire Rating: Class A1 non-combustible (EN 13501-1 certified)  
• Moisture Resistance: Withstands 85% RH environments for 72 hours without deformation

Functional Benefits

• Structural Integrity: Maintains dimensional stability at 800°C for 90min.
• Smoke Suppression: Releases <15% CO₂ during combustion (EN 13501-1).
• Acoustic Enhancement: STC 52 rating when paired with rock wool insulation.

Application Scenarios

• Fire-rated corridor walls in shopping malls
• Server room enclosures with plenum barriers
• Hotel kitchen partition systems